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Intelligent medical diagnosis has shown remarkable progress based on the large-scale datasets with precise annotations. However, fewer labeled images are available due to significantly expensive cost for annotating data by experts. To fully…

图像与视频处理 · 电气工程与系统科学 2023-03-06 Wentao Lei , Lei Liu , Li Liu

Accurately monitoring cognitive load in real time is critical for Brain-Computer Interfaces (BCIs) that adapt to user engagement and support personalized learning. Electroencephalography (EEG) offers a non-invasive, cost-effective modality…

人机交互 · 计算机科学 2026-05-04 Deeksha M. Shama , Dimitra Emmanouilidou , Ivan J. Tashev

We propose a feature-extraction procedure based on the statistical characterization of waveforms, applied as a fast pre-processing stage in a pattern recognition task using simple artificial neural network models. This procedure involves…

信号处理 · 电气工程与系统科学 2025-12-30 G. H. Bustos , H. H. Segnorile

Supervised learning methods have shown effectiveness in estimating spatial acoustic parameters such as time difference of arrival, direct-to-reverberant ratio and reverberation time. However, they still suffer from the simulation-to-reality…

声音 · 计算机科学 2024-09-10 Bing Yang , Xiaofei Li

Classification of EEG signals using shallow Convolutional Neural Networks (CNNs) is a prevalent and successful approach across a variety of fields. Most of these models use independent one-dimensional (1D) convolutional layers along the…

机器学习 · 计算机科学 2026-05-06 Laurits Dixen , Stefan Heinrich , Paolo Burelli

Compressed sensing (CS) MRI relies on adequate undersampling of the k-space to accelerate the acquisition without compromising image quality. Consequently, the design of optimal sampling patterns for these k-space coefficients has received…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Iris A. M. Huijben , Bastiaan S. Veeling , Ruud J. G. van Sloun

In this paper, we propose an effective and robust method of spatial feature extraction for acoustic scene analysis utilizing partially synchronized and/or closely located distributed microphones. In the proposed method, a new cepstrum…

音频与语音处理 · 电气工程与系统科学 2020-04-22 Keisuke Imoto

The increasing access to brain signal data using electroencephalography creates new opportunities to study electrophysiological brain activity and perform ambulatory diagnoses of neuronal diseases. This work proposes a pairwise distance…

机器学习 · 计算机科学 2019-09-09 David Calhas , Enrique Romero , Rui Henriques

Neural time-series data contain a wide variety of prototypical signal waveforms (atoms) that are of significant importance in clinical and cognitive research. One of the goals for analyzing such data is hence to extract such…

机器学习 · 统计学 2017-06-15 Mainak Jas , Tom Dupré La Tour , Umut Şimşekli , Alexandre Gramfort

Medical image segmentation data inherently contain uncertainty. This can stem from both imperfect image quality and variability in labeling preferences on ambiguous pixels, which depend on annotator expertise and the clinical context of the…

图像与视频处理 · 电气工程与系统科学 2025-07-17 Jiayuan Zhu , Junde Wu , Cheng Ouyang , Konstantinos Kamnitsas , J. Alison Noble

Global Average Pooling (GAP) is used by default on the channel-wise attention mechanism to extract channel descriptors. However, the simple global aggregation method of GAP is easy to make the channel descriptors have homogeneity, which…

计算机视觉与模式识别 · 计算机科学 2019-04-23 Mingnan Luo , Guihua Wen , Yang Hu , Dan Dai , Yingxue Xu

Brain-computer interface (BCI) aims to establish and improve human and computer interactions. There has been an increasing interest in designing new hardware devices to facilitate the collection of brain signals through various…

机器学习 · 计算机科学 2020-08-19 Javad Rahimipour Anaraki , Jae Moon , Tom Chau

In this paper, we analyze electroencephalograms (EEG) which are recordings of brain electrical activity. We develop new clustering methods for identifying synchronized brain regions, where the EEGs show similar oscillations or waveforms…

统计方法学 · 统计学 2020-07-29 Tianbo Chen , Ying Sun , Carolina Euan , Hernando Ombao

Decoding motor imagery (MI) electroencephalogram (EEG) signals, a key non-invasive brain-computer interface (BCI) paradigm for controlling external systems, has been significantly advanced by deep learning. However, cross-subject MI-EEG…

机器学习 · 计算机科学 2026-03-26 Jinzhou Wu , Baoping Tang , Qikang Li , Yi Wang , Cheng Li , Shujian Yu

Motor imagery electroencephalogram (EEG)-based brain-computer interfaces (BCIs) offer significant advantages for individuals with restricted limb mobility. However, challenges such as low signal-to-noise ratio and limited spatial resolution…

人机交互 · 计算机科学 2024-06-21 Xicheng Lou , Xinwei Li , Hongying Meng , Jun Hu , Meili Xu , Yue Zhao , Jiazhang Yang , Zhangyong Li

Accelerated MRI involves collecting partial $k$-space measurements to reduce acquisition time, patient discomfort, and motion artifacts, and typically uses regular undersampling patterns or human-designed schemes. Recent works have studied…

图像与视频处理 · 电气工程与系统科学 2026-05-20 Siddhant Gautam , Angqi Li , Nicole Seiberlich , Jeffrey A. Fessler , Saiprasad Ravishankar

We present an algorithm for recovering planted solutions in two well-known models, the stochastic block model and planted constraint satisfaction problems, via a common generalization in terms of random bipartite graphs. Our algorithm…

数据结构与算法 · 计算机科学 2015-04-30 Vitaly Feldman , Will Perkins , Santosh Vempala

An Event-Related Potential (ERP)-based Brain-Computer Interface (BCI) Speller System assists people with disabilities to communicate by decoding electroencephalogram (EEG) signals. A P300-ERP embedded in EEG signals arises in response to a…

应用统计 · 统计学 2026-02-18 Tianwen Ma , Jane E. Huggins , Jian Kang

EEG-based emotion recognition plays an important role in developing adaptive brain-computer communication systems, yet faces two fundamental challenges in practical implementations: (1) effective integration of non-stationary…

机器学习 · 计算机科学 2025-08-20 Xuetao Lin , Tianhao Peng , Peihong Dai , Yu Liang , Wenjun Wu

Vision-language models such as CLIP are capable of mapping the different modality data into a unified feature space, enabling zero/few-shot inference by measuring the similarity of given images and texts. However, most existing methods…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Xingyu Zhu , Beier Zhu , Yi Tan , Shuo Wang , Yanbin Hao , Hanwang Zhang